Preferencje help
Widoczny [Schowaj] Abstrakt
Liczba wyników

Znaleziono wyników: 4

Liczba wyników na stronie
first rewind previous Strona / 1 next fast forward last
Wyniki wyszukiwania
help Sortuj według:

help Ogranicz wyniki do:
first rewind previous Strona / 1 next fast forward last
EN
The use of recycled materials has become an important point of view in many activity areas, that’s why the “liquid wood” could replace plastic materials in the near future. Arbofill, Arboblend and Arboform are the three types of “liquid wood” developed by Fraunhofer Institute for Chemical Technology in Pfinztal-Germany. The main drawback of plastic materials is the existence in their composition of some carcinogens substances, nonbiodegradability and the difficulty in recycling products. The “liquid wood” removes these disadvantages. More “liquid wood” has the mechanical properties even better than other plastics, good resistance to water, can be reused up to five times over, without affecting the mechanical properties of the material, as for example fire resistance and durability, etc. This paper presents analysis of flexural properties for arboblend. Also the bending deflection and angle deflection are presented. Finally the paper presents the modulus of elasticity after flexural test. The values of these modulus are better than others plastics such as PA 66 (Polyamide 66), PA11 (Polyamide 11), POM (Acetal Homopolymer), PE-HD (High Density Polyethylene), PVDF (Poly Vinylidene Fluoride), ECTFE (Etylene Copolymer Fluoride), ECTFE (Etylene Copolymer) in case of high stiffness of function parts. On the other point of view the liquid wood could replace the following plastics material: PA66SF20, PEEK GF30, PEEK CF30, PEK, PAI, PPS GF40, PEI GF30 etc. According to the analyses performed and to the conclusions drawn, the liquid wood can replace the plastic materials in many industrial applications, such as: ornaments and not just for cars, connectors, switches, electrical industry, different industry mobile accessories, computers, televisions, mobile phone housings etc.
EN
The composite materials with particles consisting of a basic material (matrix) embedded particles of one or more materials. The particles can be metallic or nonmetallic, as the matrix can be, metalic or non metalic. Like a first step the composite mixing involves the embedded process analysis of SiC particles in molten metal. The main issues considered relate to some aspects of embedding additional material in molten metal and methods of achieving the best possible including it. From this point of view was used the overheat of metalic matrix. The experimental plan was followed by Taguchi and structural analysis made was focus on four from 16 completed experimental researches. Six parameters were used each one has two levels. Also the micrographs corresponding experimental tests are presented.
EN
In the current economic situation, the diversification and competitive of the products offer, globalization of the markets, a continued growth of customers' requirements, improve a product quality, increasing the technical level and improving manufacturing technologies. For all of companies it is a priority to satisfy those customers and market requirements. In the article the main issues related with the evolution of ways of ensuring products quality like: availability-reliability-maintenance relationship, measuring quality aspects through quality characteristics, quality economy in terms of quality costs and quality control, were considered and analyzed. Recommendations for improving of production quality process such as: continuous improvement of product technological conception and constructive one using advanced processes, increasing concerns for quality assurance embodied in the increasing of production prevention costs in total, in parallel with decreasing the latter and continuous training of staff were presented.
EN
This paper presents a simulation of two-component injection process for obtaining plastic parts with metallic reinforcement using a specific software package, MoldFlow. It will consider the following process parameters, mould temperature and injection pressure. The study will analyze the comparison between plastic parts with and without metallic reinforcement. It will highlight the differences that occur between the input parameters, mould temperature and injection pressure and the out parameters, cooling time and injection time for those types of parts obtained. Furthermore will be simulated a mechanical stresses of traction using a specific software package, Cosmos, for both parts obtained.
first rewind previous Strona / 1 next fast forward last
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.